How To Install gnat on Ubuntu 20.04
Introduction
In this tutorial we learn how to install gnat
on Ubuntu 20.04.
What is gnat
gnat is:
GNAT is a full-featured Ada 2012 compiler. A quote from http://www.adaic.org says: “Easily reused and maintained, readable and user friendly, Ada code facilitates such massive software projects as the Space Station and the Paris Metro. It has proven to be extraordinarily robust in decades’ worth of daily field tests under the most rigorous conditions in which millions of lives have been at stake.” Ada is the language for real-world, mission-critical programming.
At the same time, Ada’s radical type safety helps novice programmers avoid many common mistakes and deliver their software on time (see http://www.adaic.org/atwork/trains.html).
This empty package depends on the default version of the Ada compiler for Debian, which is part of the GNU Compiler Collection. Its enforces the same version for all Ada compilations, as described in the Debian Ada Policy.
There are three methods to install gnat
on Ubuntu 20.04. We can use apt-get
, apt
and aptitude
. In the following sections we will describe each method. You can choose one of them.
Install gnat Using apt-get
Update apt database with apt-get
using the following command.
sudo apt-get update
After updating apt database, We can install gnat
using apt-get
by running the following command:
sudo apt-get -y install gnat
Install gnat Using apt
Update apt database with apt
using the following command.
sudo apt update
After updating apt database, We can install gnat
using apt
by running the following command:
sudo apt -y install gnat
Install gnat Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude
using the following command.
sudo aptitude update
After updating apt database, We can install gnat
using aptitude
by running the following command:
sudo aptitude -y install gnat
How To Uninstall gnat on Ubuntu 20.04
To uninstall only the gnat
package we can use the following command:
sudo apt-get remove gnat
Uninstall gnat And Its Dependencies
To uninstall gnat
and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove gnat
Remove gnat Configurations and Data
To remove gnat
configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge gnat
Remove gnat configuration, data, and all of its dependencies
We can use the following command to remove gnat
configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge gnat
References
Summary
In this tutorial we learn how to install gnat
package on Ubuntu 20.04 using different package management tools: apt
, apt-get
and aptitude
.